Vulnerability Details : CVE-2014-0203
The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2014-0203
Probability of exploitation activity in the next 30 days: 0.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 35 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-0203
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2014-0203
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-0203
-
http://linux.oracle.com/errata/ELSA-2014-3043.html
linux.oracle.com | ELSA-2014-3043Third Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=86acdca1b63e6890540fa19495cfc708beff3d8b
-
https://bugzilla.redhat.com/show_bug.cgi?id=1094363
1094363 – (CVE-2014-0203) CVE-2014-0203 kernel: fs: slab corruption due to the invalid last component type during do_filp_open()Exploit;Issue Tracking;Patch;Third Party Advisory
-
https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8b
fix autofs/afs/etc. magic mountpoint breakage · torvalds/linux@86acdca · GitHubPatch;Third Party Advisory
-
http://linux.oracle.com/errata/ELSA-2014-0771.html
linux.oracle.com | ELSA-2014-0771Third Party Advisory
-
http://www.securityfocus.com/bid/68125
Linux Kernel 'mm/slab.c' Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
Products affected by CVE-2014-0203
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:5:-:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*